McChesney, C., Covey, S., & Huling, J. (2012). The 4 disciplines of execution: Achieving your wildly important goals (1st Free Press hardcover ed.). Free Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)McChesney, Chris, Sean Covey, و Jim Huling. The 4 Disciplines of Execution: Achieving Your Wildly Important Goals. 1st Free Press hardcover ed. New York: Free Press, 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)McChesney, Chris, et al. The 4 Disciplines of Execution: Achieving Your Wildly Important Goals. 1st Free Press hardcover ed. Free Press, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.